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Finding the Fourth Proportional to 11,874,482.92, 17,812,890.78 and 3,354,885.64

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Solution

The fourth proportional to 11,874,482.92, 17,812,890.78 and 3,354,885.64 is: 5,032,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874,482.92 : 17,812,890.78 = 3,354,885.64 : x
  2. Step 2: Convert to fraction form
    11,874,482.92/17,812,890.78 = 3,354,885.64/x
  3. Step 3: Cross multiply
    11,874,482.92x = 17,812,890.78 × 3,354,885.64
  4. Step 4: Simplify right side
    11,874,482.92x = 59,760,211,484,710.41
  5. Step 5: Solve for x
    x = 59,760,211,484,710.41/11,874,482.92
  6. Step 6: Final answer
    x = 5,032,658.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.